DIN 6925 hexagon nut with clamping part, M30, Article number 69251030. Property class / material: steel class 10, surface finish plain. Hexagon Nut with Clamping Part manufactured to DIN 6925 with ISO metric (M) thread, coarse pitch, fully threaded. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution.